WHILE PARKING CAR AND APPLYING BRAKE, VEHICLE CONTINUED TO SLOWLY ACCELERATE AND PUSHED IN A TIN WALL HOUSING THE FURNANCE ROOM OF A GYM. CAR RESTED ON THE FURNANCE AND A GAS LINE. TOYOTA DIST. MANAGER SAID HE COULDN'T FIND ANY DEFECTS AND COULDN'T DUPLICATE PROBLEM SO SAID THEIR HANDS WERE TIED. NOTHING DONE. *JB